Leaders Show No Signs of Preparing Public for Concessions to West

TEHRAN—A senior cleric delivering a nationally televised sermon urged a crowd that included former President Mahmoud Ahmadinejad and the head of Iran's nuclear energy organization to observe sexual piety, aid the poor and support Iran's development of nuclear power.

"This technology is progressing our nation," Ayatollah Imami Kashani said at weekly Friday prayers at the University of Tehran. "Our enemies are against...